Created
March 22, 2012 05:18
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iClicks++
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> | |
| <title>iClicks++</title> | |
| </head> | |
| <style> | |
| *{padding:0;margin:0;font-size:inherit;} | |
| body { | |
| font: 16px/22px sans-serif; | |
| margin: 30px 20px; | |
| background: #222; | |
| color: #eee; | |
| } | |
| p { margin:0 0 18px; } | |
| ul { padding-left: 20px; color: #666; font-size: 14px; } | |
| small { font-size: 11px; } | |
| </style> | |
| <body> | |
| <p> | |
| <strong id="clicks">0</strong> | |
| times w/in | |
| <strong id="duration">00:00:00</strong>. | |
| </p> | |
| <p> | |
| <strong>Average</strong>: <span id="average">...</span> | |
| </p> | |
| <p> | |
| <input type="button" value="Start" id="btnStart" /> | |
| <input type="button" value="Finish" id="btnFinish" disabled /> | |
| </p> | |
| <ul id="archive"></ul> | |
| <script> | |
| // I suppose this is a variation of a lap timer. Not smart enough to know what exactly to call it. | |
| // Tried to keep the JS sparse. Pardon the brevity, nested functions, and lack of legacy support. | |
| var iClicks = 0, | |
| iStartTimestamp = 0, | |
| iTotalSeconds = 0, | |
| sAverage = "..."; | |
| var btnStart = document.getElementById("btnStart"), | |
| btnFinish = document.getElementById("btnFinish"), | |
| clicks = document.getElementById("clicks"), | |
| duration = document.getElementById("duration"), | |
| average = document.getElementById("average"); | |
| function friendlyTime(iSeconds) { | |
| var iMinutes = 0, iHours = 0; | |
| function pad(i) { return ("0"+i).slice(-2); } | |
| if (iSeconds >= 60) { | |
| iMinutes = Math.floor(iSeconds / 60); | |
| if (iMinutes >= 60) { | |
| iHours = Math.floor(iMinutes / 60); | |
| iMinutes = iMinutes - (iHours * 60); | |
| iSeconds = iSeconds - (iHours * 60 * 60); | |
| } | |
| iSeconds = iSeconds - (iMinutes * 60); | |
| } | |
| return pad(iHours) + ":" + pad(iMinutes) + ":" + pad(iSeconds); | |
| } | |
| function update(bUpdateSeconds) { | |
| if (bUpdateSeconds !== false) { | |
| iTotalSeconds = Math.floor(+new Date() / 1000) - iStartTimestamp; | |
| } | |
| clicks.innerHTML = iClicks; | |
| duration.innerHTML = friendlyTime(iTotalSeconds); | |
| sAverage = (iTotalSeconds === 0) ? "..." : "Once every " + Math.round(iTotalSeconds / iClicks) + " seconds"; | |
| average.innerHTML = sAverage; | |
| } | |
| var cycle; | |
| btnStart.addEventListener("click", function(e) { | |
| if (iClicks === 0) { | |
| btnStart.setAttribute("value", "Increment"); | |
| btnFinish.removeAttribute("disabled"); | |
| iStartTimestamp = Math.floor(+new Date() / 1000); | |
| cycle = setInterval(update, 1000); | |
| } | |
| iClicks++; | |
| console.log(iClicks + " in " + friendlyTime(iTotalSeconds)); | |
| update(false); | |
| }); | |
| btnFinish.addEventListener("click", function(e) { | |
| document.getElementById("archive").innerHTML = (function(){ | |
| var sHtml = document.getElementById("archive").innerHTML; | |
| sHtml = "<li>" + iClicks + " times w/in " + friendlyTime(iTotalSeconds) + "<br />" + sAverage + "<br /><small>on " + new Date() + "</small></li>" + sHtml; | |
| return sHtml; | |
| }()); | |
| iClicks = 0; | |
| iTotalSeconds = 0; | |
| btnStart.setAttribute("value", "Start"); | |
| btnFinish.setAttribute("disabled", "disabled"); | |
| clearInterval(cycle); | |
| update(false); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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http://jsfiddle.net/rocktronica/seHze/embedded/result/